Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Su, Y(2020). Assessment of CpG methylation status by bisulfite sequencing. Bio-protocol Preprint. bio-protocol.org/prep568.
Hu, S., Wan, J., Su, Y., Song, Q., Zeng, Y., Nguyen, H. N., Shin, J., Cox, E., Rho, H. S., Woodard, C., Xia, S., Liu, S., Lyu, H., Ming, G., Wade, H., Song, H., Qian, J. and Zhu, H.(2013). DNA methylation presents distinct binding sites for human transcription factors. eLIFE. DOI: 10.7554/eLife.00726